不对称库伦玻璃模型的相序动力学
Preeti Bhandari1, Vikas Malik2, Sanjay Puri3
1Department of Physics, Ben Gurion University of the Negev, Beer Sheva 84105, Israel.
Physical review. E
|February 17, 2024
概括
库伦玻璃 (CG) 模型中的阶段排序动力学显示了类似于铁磁铁排序的进化形态. 域名增长略慢于预测,这表明长期潜在的对数增长.
科学领域:
- 凝聚物质物理学 凝聚物质物理学
- 计算物理学的计算物理.
背景情况:
- 库伦玻璃 (CG) 模型描述了电网上的电子与未选的库伦排斥.
- 重点是不对称的CG (K0.5),有多余的洞,缺乏明确的灭障碍,但由于库伦比相互作用而表现出挫败感.
研究的目的:
- 在非对称库伦玻璃模型中研究相序动力学.
- 描述域增长规律和通用性类.
主要方法:
- 在正方形格子上模拟库伦玻璃模型.
- 分析阶段顺序动态和域增长规律.
主要成果:
- 进化形态学属于与有序铁磁体相同的动态普遍性类.
- 与Lifshitz-Cahn-Allen定律相比,域增长指数略有低估 (L(t) ∼t^{1/2}).
结论:
- 观察到的域增长可能表明在非对称模式下对数增长.
- CG模型表现出由远程相互作用影响的复杂的订单动态.
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